Home / 7,086.16-10,629.68-2,156.17

Finding the Fourth Proportional to 7,086.16, 10,629.68 and 2,156.17

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Solution

The fourth proportional to 7,086.16, 10,629.68 and 2,156.17 is: 3,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.16 : 10,629.68 = 2,156.17 : x
  2. Step 2: Convert to fraction form
    7,086.16/10,629.68 = 2,156.17/x
  3. Step 3: Cross multiply
    7,086.16x = 10,629.68 × 2,156.17
  4. Step 4: Simplify right side
    7,086.16x = 22,919,333.20
  5. Step 5: Solve for x
    x = 22,919,333.20/7,086.16
  6. Step 6: Final answer
    x = 3,234.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.